RD

Richard W. Davidson

TO Topcon: 6 patents #139 of 684Top 25%
SP Spectra-Physics: 1 patents #113 of 257Top 45%
Overall (All Time): #521,951 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7196302 Laser measuring method and laser measuring system having fan-shaped tilted laser beams and three known points of photodetection system Fumio Ohtomo, Kazuki Osaragi, Kunihiro Hayashi, Clyde C. Goad, Vernon Joseph Brabec +2 more 2007-03-27
6249338 Laser survey instrument Fumio Ohtomo, Satoshi Hirano 2001-06-19
6075586 Laser survey instrument Fumio Ohtomo, Satoshi Hirano 2000-06-13
6011613 Laser survey instrument Fumio Ohtomo, Satoshi Hirano 2000-01-04
5854988 Method for controlling an excavator Vernon Joseph Brabec 1998-12-29
5784155 Laser survey instrument Fumio Ohtomo, Satoshi Hirano 1998-07-21
5771978 Grading implement elevation controller with tracking station and reference laser beam Fumio Ohtomo, Kazuaki Kimura, Satoshi Hirano 1998-06-30
4820041 Position sensing system for surveying and grading John W. Fletcher 1989-04-11
4733355 Non-contacting range sensing and control device John W. Fletcher 1988-03-22
4225226 Laser guidance system for crop spraying aircraft Joseph F. Rando, Ted L. Teach 1980-09-30